Nucleus Adventure Capital is an early-stage venture capital firm based in New York City, founded in 2010 by Morgan Johnson and Ryan Flynn. The firm focuses on identifying and supporting groundbreaking innovations across various industries, including health tech, fintech, blockchain, sustainability, and communications. With a history rooted in two decades of friendship and trust, Nucleus Adventure Capital emphasizes early and swift investments, building strong relationships with founders to help them achieve their entrepreneurial goals.

Notable investments include Elvie, FitReserve, Icebergs, Kard, Snapchat, Reddit, Quickframe, Ledger, SpaceX, Findox, ATAI Life Sciences, Alva, Tômtex, Tumelo, SportPursuit, and Pinterest.